<template>
  <div>
    <!-- 面包屑 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>用户管理</el-breadcrumb-item>
      <el-breadcrumb-item>用户列表</el-breadcrumb-item>
    </el-breadcrumb>
    <!-- 卡片视图区域 -->
    <el-card>
      <!-- layout -->
      <el-row :gutter="20">
        <!-- 搜索 -->
        <el-col :span="8">
          <el-input placeholder="请输入内容" v-model="queryInfo.query" clearable @clear="getUserList">
            <el-button slot="append" icon="el-icon-search" @click="getUserList"></el-button>
          </el-input>
        </el-col>
        <!-- 按钮 -->
        <el-col :span="4">
          <el-button type="primary" @click="addUserDialogVisible = true">添加成员</el-button>
        </el-col>
      </el-row>
      <!-- UserList -->
      <el-table :data="userList" border style="width: 100%" stripe>
        <!-- 每列 -->
        <el-table-column type="index"></el-table-column>
        <el-table-column label="姓名" prop="username"></el-table-column>
        <el-table-column label="邮箱" prop="email"></el-table-column>
        <el-table-column label="电话" prop="mobile"></el-table-column>
        <el-table-column label="角色" prop="role_name"></el-table-column>
        <!-- 状态列 -->
        <el-table-column label="状态" width="66px">
          <!-- 作用域插槽 -->
          <template v-slot="scope">
            <!-- 状态按钮 -->
            <el-switch v-model="scope.row.mg_state" @change="userStateChanged(scope.row)"></el-switch>
          </template>
        </el-table-column>
        <!-- 操作列 -->
        <el-table-column label="操作" width="200px">
          <template v-slot="scope">
            <!-- 编辑按钮 -->
            <el-button
              type="primary"
              icon="el-icon-edit"
              size="mini"
              @click="showEditDialog(scope.row.id)"
            ></el-button>
            <!-- 删除按钮 -->
            <el-button
              type="danger"
              icon="el-icon-delete"
              size="mini"
              @click="removeUserById(scope.row.id)"
            ></el-button>
            <!-- 设置按钮-分配角色 -->
            <el-tooltip effect="dark" content="分配角色" placement="top" :enterable="false">
              <el-button
                type="warning"
                icon="el-icon-setting"
                size="mini"
                @click="showRoleDialog(scope.row)"
              ></el-button>
            </el-tooltip>
          </template>
        </el-table-column>
      </el-table>
      <!-- 分页 -->
      <el-pagination
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
        :current-page="queryInfo.pagenum"
        :page-sizes="[1, 2, 5, 10]"
        :page-size="queryInfo.pagesize"
        layout="total, sizes, prev, pager, next, jumper"
        :total="total"
      ></el-pagination>
    </el-card>
    <!-- 对话框--》添加用户 -->
    <el-dialog title="添加用户" :visible.sync="addUserDialogVisible" width="50%">
      <!-- 对话录-内容主体 -->
      <el-form :model="addForm" :rules="addFormRules" ref="addFormRef" label-width="70px">
        <el-form-item label="用户名" prop="username">
          <el-input v-model="addForm.username"></el-input>
        </el-form-item>
        <el-form-item label="密码" prop="password">
          <el-input v-model="addForm.password" type="password"></el-input>
        </el-form-item>
        <el-form-item label="邮箱" prop="email">
          <el-input v-model="addForm.email"></el-input>
        </el-form-item>
        <el-form-item label="手机" prop="mobile">
          <el-input v-model="addForm.mobile"></el-input>
        </el-form-item>
      </el-form>
      <!-- 对话框-底部区 -->
      <span slot="footer" class="dialog-footer">
        <el-button @click="addUserDiologClosed">取 消-不添加了</el-button>
        <el-button type="primary" @click="addUser">确 定</el-button>
      </span>
    </el-dialog>
    <!-- 对话框--编辑按钮 -->
    <el-dialog title="编辑" :visible.sync="editDialogVisible" width="50%" @close="editDiologClosed">
      <!-- 对话录-内容主体 -->
      <el-form :model="editForm" :rules="editFormRules" ref="editFormRef" label-width="70px">
        <el-form-item label="用户名">
          <!-- 禁用 -->
          <el-input v-model="editForm.username" disabled></el-input>
        </el-form-item>
        <el-form-item label="邮箱" prop="email">
          <el-input v-model="editForm.email"></el-input>
        </el-form-item>
        <el-form-item label="手机" prop="mobile">
          <el-input v-model="editForm.mobile"></el-input>
        </el-form-item>
      </el-form>
      <!-- 对话框-底部区 -->
      <span slot="footer" class="dialog-footer">
        <el-button @click="editDialogVisible = false">取消编辑</el-button>
        <el-button type="primary" @click="editUser">确 定</el-button>
      </span>
    </el-dialog>
    <!-- 分配角色Dialog -->
    <el-dialog
      title="分配角色"
      :visible.sync="setRoleDialogVisible"
      width="50%"
      @close="roleDialogClosed"
    >
      <div>
        <p>当前用户：{{userInfo.username}}</p>
        <p>当前角色：{{userInfo.role_name}}</p>
        <p>
          分配角色：
          <el-select v-model="selectedRoleId" placeholder="请选择">
            <el-option
              v-for="item in rolesList"
              :key="item.id"
              :label="item.roleName"
              :value="item.id"
            ></el-option>
          </el-select>
        </p>
      </div>
      <!-- 按钮 -->
      <span slot="footer" class="dialog-footer">
        <el-button @click="setRoleDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="submitSetRole()">确 定</el-button>
      </span>
    </el-dialog>
  </div>
</template>

<script>
export default {
  data() {
    var checkEmail = (rule, value, callback) => {
      const regEmail = /^([a-zA-Z0-9_-])+@([a-zA-Z0-9_-])+(\.[a-zA-Z0-9_-]+)+$/
      if (regEmail.test(value)) {
        return callback()
      }
      callback(new Error('请输入合法邮箱'))
    }
    var checkMobile = (rule, value, callback) => {
      const regMobile = /^(0|86|17951)?(13[0-9]|14[57]|15[012356789]|17[6,7,8]|18[0-9]|19[7])[0-9]{8}$/
      if (regMobile.test(value)) {
        return callback()
      }
      callback(new Error('请输入合法手机号'))
    }
    return {
      // 分配角色选中的id值
      selectedRoleId: '',
      rolesList: [],
      // 点击 那个 分配角色按钮 的那个信息
      userInfo: {},
      setRoleDialogVisible: false,
      // 编辑表单数据暂存区
      editForm: {},
      // 用户列表-加载请求-所需数据
      queryInfo: {
        query: '',
        pagenum: 1,
        pagesize: 2
      },
      userList: [],
      total: 0,
      //   对话框显示与隐藏
      addUserDialogVisible: false,
      editDialogVisible: false,
      // 添加用户-按钮请求-所需数据
      addForm: {
        username: '',
        password: '',
        email: '',
        mobile: ''
      },
      // 验证表单
      addFormRules: {
        username: [
          { required: true, message: '请输入用户名', trigger: 'blur' },
          { min: 3, max: 10, message: '长度在 3 到 10 个字符', trigger: 'blur' }
        ],
        password: [
          { required: true, message: '请输入密码', trigger: 'blur' },
          { min: 6, max: 15, message: '长度在 6 到 15 个字符', trigger: 'blur' }
        ],
        email: [
          { required: true, message: '请输入邮箱', trigger: 'blur' },
          { validator: checkEmail, trigger: 'blur' }
        ],
        mobile: [
          { required: true, message: '请输入手机', trigger: 'blur' },
          { validator: checkMobile, trigger: 'blur' }
        ]
      },
      editFormRules: {
        email: [
          { required: true, message: '请输入邮箱', trigger: 'blur' },
          { validator: checkEmail, trigger: 'blur' }
        ],
        mobile: [
          { required: true, message: '请输入手机', trigger: 'blur' },
          { validator: checkMobile, trigger: 'blur' }
        ]
      }
    }
  },
  methods: {
    roleDialogClosed() {
      // 重置
      this.selectedRoleId = ''
      this.userInfo = {}
    },
    async submitSetRole() {
      if (!this.selectedRoleId) {
        return this.$message.error('请选择要分配的角色!')
      }
      const { data: res } = await this.$http.put(
        `users/${this.userInfo.id}/role`,
        {
          rid: this.selectedRoleId
        }
      )
      console.log(res)
      if (res.meta.status !== 200) {
        return this.$message.error(`${res.meta.msg}`)
      }
      this.$message.success(`${res.meta.msg}`)

      this.setRoleDialogVisible = false
      this.getUserList()
    },
    // 展示 分配角色的Dialog
    async showRoleDialog(userInfo) {
      // console.log(userInfo)
      this.userInfo = userInfo
      const { data: res } = await this.$http.get('roles')
      console.log(res)
      if (res.meta.status !== 200) {
        return this.$message.error('失败!')
      }
      this.rolesList = res.data
      this.$message.success(`${res.meta.msg}`)

      this.setRoleDialogVisible = true
    },
    // 删除按钮
    async removeUserById(id) {
      const result = await this.$confirm(
        '此操作将永久删除该用户, 是否继续?',
        '提示',
        {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        }
      ).catch(err => err)
      // 取消
      if (result !== 'confirm') {
        return this.$message.info('已取消删除')
      }
      // 确定
      // console.log(id)
      const { data: res } = await this.$http.delete(`/users/${id}`)
      if (res.meta.status !== 200) return this.$message.error('删除失败')
      this.$message.success('删除成功!')
      // 刷新
      this.getUserList()
    },
    // 显示 编辑对话框 函数
    async showEditDialog(id) {
      this.editDialogVisible = true
      // console.log('id',id);
      const { data: res } = await this.$http.get(`users/${id}`)
      // console.log(res)
      if (res.meta.status !== 200) {
        return this.$message.error('获取用户信息失败')
      }
      this.$message.success('获取用户信息成功')
      this.editForm = res.data
      // console.log(res.data)
    },
    // 编辑对话框关闭函数
    editDiologClosed() {
      this.$refs.editFormRef.resetFields()
    },
    // 编辑对话框-提交按钮
    editUser() {
      this.$refs.editFormRef.validate(async valid => {
        // console.log('验证的valid值', valid)
        if (!valid) return
        const { data: res } = await this.$http.put(
          'users/' + this.editForm.id,
          {
            email: this.editForm.email,
            mobile: this.editForm.mobile
          }
        )
        // console.log('this.editForm', this.editForm)
        // console.log('请求返回的res', res)
        if (!res) {
          this.$message.error('没有res')
          if (res.meta.status !== 200) {
            return this.$message.error('更改失败')
          }
        }
        // 刷新列表
        this.getUserList()
        this.$message.success('更改成功')
        this.editDialogVisible = false
      })
    },
    // 对话框取消--
    addUserDiologClosed() {
      // 隐藏对话框
      this.addUserDialogVisible = false
      // 清空表单
      this.$refs.addFormRef.resetFields()
    },
    // 对话框确定--提交表单--添加用户--发请求
    addUser() {
      // 发请求
      this.$refs.addFormRef.validate(async valid => {
        if (!valid) return
        const { data: res } = await this.$http.post('users', this.addForm)
        // console.log(res)
        if (res.meta.status !== 201) {
          return this.$message.error('获取用户列表失败')
        }
        this.$message.success('添加用户成功')
        // 隐藏对话框
        this.addUserDialogVisible = false
      })
    },
    async getUserList() {
      // 发请求
      const { data: res } = await this.$http.get('users', {
        params: this.queryInfo
      })
      if (res.meta.status !== 200) return this.$message.error('刷新列表失败')
      this.$message.success('刷新列表成功')
      this.userList = res.data.users
      this.total = res.data.total
      // console.log('users-res', res)
    },
    // 每页显示多少条数据
    handleSizeChange(newSize) {
      this.queryInfo.pagesize = newSize
      this.getUserList()
    },
    // 当前页码
    handleCurrentChange(newPage) {
      this.queryInfo.pagenum = newPage
      this.getUserList()
    },
    async userStateChanged(userinfo) {
      // console.log('状态：', userinfo)
      const { data: res } = await this.$http.put(
        `users/${userinfo.id}/state/${userinfo.mg_state}`
      )
      if (res.meta.status !== 200) {
        // 改不了，弄回去
        userinfo.mg_state = !userinfo.mg_state
        return this.$message.error('更新状态失败')
      }
      this.$message.success('更新状态成功')
    }
  },
  created() {
    this.getUserList()
  }
}
</script>

<style>
</style>
